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Finding the Fourth Proportional to 45,305.30, 67,922.04 and 21,600.38

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Solution

The fourth proportional to 45,305.30, 67,922.04 and 21,600.38 is: 32,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.30 : 67,922.04 = 21,600.38 : x
  2. Step 2: Convert to fraction form
    45,305.30/67,922.04 = 21,600.38/x
  3. Step 3: Cross multiply
    45,305.30x = 67,922.04 × 21,600.38
  4. Step 4: Simplify right side
    45,305.30x = 1,467,141,874.38
  5. Step 5: Solve for x
    x = 1,467,141,874.38/45,305.30
  6. Step 6: Final answer
    x = 32,383.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.